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Toward P.-L. Lions' open question in \cite{Lions96} concerning the propagation of regularity for density patch, we establish the global existence of solutions to the 2-D inhomogeneous incompressible Navier-Stokes system with initial density…

Analysis of PDEs · Mathematics 2016-03-23 Xian Liao , Ping Zhang

Toward the open question proposed by P.-L. Lions in \cite{Lions96} concerning the propagation of regularities of density patch for viscous inhomogeneous flow, we first establish the global in time well-posedness of two-dimensional…

Analysis of PDEs · Mathematics 2016-04-28 Xiao Liao , Ping Zhang

For two dimensional inhomogeneous Navier-Stokes of incompressible flows, with the assumption that the viscosity depends on the density but with a positive lower bound, using a partial regularity approach, in particular some enhanced decay…

Analysis of PDEs · Mathematics 2016-10-11 Ning Jiang , Yilong Luo

We are concerned with a model describing the motion of two compressible, immiscible fluids with density-dependent viscosity in the whole $\mathbb R^3$. The phases of the flow may have different pressure and viscosity laws and are separated…

Analysis of PDEs · Mathematics 2025-10-14 Marcel Zodji

We consider the inhomogeneous incompressible Navier-Stokes system in a smooth two or three dimensional bounded domain, in the case where the initial density is only bounded. Existence and uniqueness for such initial data was shown recently…

Analysis of PDEs · Mathematics 2021-12-14 Raphaël Danchin , Piotr B. Mucha , Tomasz Piasecki

We consider the evolution of two-dimensional incompressible flows with variable density, only bounded and bounded away from zero. Assuming that the initial velocity belongs to a suitable critical subspace of L^2 , we prove a global-in-time…

Analysis of PDEs · Mathematics 2024-04-04 Raphaël Danchin

This paper is about Lions' open problem on density patches \cite{LIONS}: whether inhomogeneous incompressible Navier-Stokes equations preserve the initial regularity of the free boundary given by density patches. Using classical Sobolev…

Analysis of PDEs · Mathematics 2017-04-03 Francisco Gancedo , Eduardo Garcia-Juarez

This work examines the dynamics of density patches in the 2D zero-diffusivity Boussinesq system modified such that momentum is in a large Prandtl number balance. We establish the global well-posedness of this system for compactly supported…

Analysis of PDEs · Mathematics 2023-08-16 Hezekiah Grayer

This article concerns the equations of motion of perfect incompressible fluids in a 3-D, smooth, bounded, simply connected domain. We suppose that the curl of the initial velocity field is a vortex patch, and examine the classical problems…

Analysis of PDEs · Mathematics 2007-05-23 Alexandre Dutrifoy

We analyze a diffuse interface model for multi-phase flows of $N$ incompressible, viscous Newtonian fluids with different densities. In the case of a bounded and sufficiently smooth domain existence of weak solutions in two and three space…

Analysis of PDEs · Mathematics 2024-01-15 Helmut Abels , Harald Garcke , Andrea Poiatti

In this paper, we investigate the uniform regularity and vanishing limit for the incompressible nematic liquid crystal flows in three dimensional bounded domain. It is shown that there exists a unique strong solution for the incompressible…

Analysis of PDEs · Mathematics 2016-06-14 Jincheng Gao , Boling Guo , Xiaoyu Xi

This paper is about the dynamics of non-diffusive temperature fronts evolving by the incompressible viscous Boussinesq system in $\mathbb{R}^3$. We provide local in time existence results for initial data of arbitrary size. Furthermore, we…

Analysis of PDEs · Mathematics 2025-01-24 Francisco Gancedo , Eduardo García-Juárez

Here we investigate the so-called temperature patch problem for the incompressible Boussinesq system with partial viscosity, in the whole space $\mathbb{R}^N$ $(N \geq 2)$, where the initial temperature is the characteristic function of…

Analysis of PDEs · Mathematics 2016-03-25 Raphaël Danchin , Xin Zhang

We prove persistence of the regularity of the boundary of vortex patches for a large class of transport equations in the plane. The velocity field is given by convolution of the vorticity with an odd kernel, homogeneous of degree $-1$ and…

Analysis of PDEs · Mathematics 2024-10-22 Joan Verdera

In this paper, we study the uniform regularity and vanishing viscosity limit for the compressible nematic liquid crystal flows in three dimensional bounded domain. It is shown that there exists a unique strong solution for the compressible…

Analysis of PDEs · Mathematics 2016-07-21 Jincheng Gao , Boling Guo , Yaqing Liu

We consider the three-dimensional incompressible magnetohydrodynamics (MHD) equations in a bounded domain with small volume and free moving surface boundary. We establish a priori estimate for solutions with minimal regularity assumptions…

Analysis of PDEs · Mathematics 2022-07-05 Chenyun Luo , Junyan Zhang

We investigate the incompressible Navier-Stokes equations with variable density. The aim is to prove existence and uniqueness results in the case of discontinuous ini- tial density. In dimension n = 2, 3, assuming only that the initial…

Analysis of PDEs · Mathematics 2015-06-04 Raphaël Danchin , Piotr B. Mucha

We obtain a result about propagation of geometric properties for solutions of the non-homogeneous incompressible Euler system in any dimension $N\geq2$. In particular, we investigate conservation of striated and conormal regularity, which…

Analysis of PDEs · Mathematics 2013-05-07 Francesco Fanelli

It is well known that the Euler vortex patch in $\mathbb{R}^{2}$ will remain regular if it is regular enough initially. In bounded domains, the regularity theory for patch solutions is less complete. We study here the Euler vortex patch in…

Analysis of PDEs · Mathematics 2017-08-25 Chao Li

We consider the vortex patch problem for both the 2-D and 3-D incompressible Euler equations. In 2-D, we prove that for vortex patches with $H^{k-0.5}$ Sobolev-class contour regularity, $k \ge 4$, the velocity field on both sides of the…

Analysis of PDEs · Mathematics 2015-10-15 Daniel Coutand , Steve Shkoller
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